Analysis

  • max time kernel
    97s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2025 11:35

General

  • Target

    2025-01-13_b10215d8341cb42b150b9fa5c5d35e3a_espilon-red_hijackloader_luca-stealer_neshta.exe

  • Size

    3.1MB

  • MD5

    b10215d8341cb42b150b9fa5c5d35e3a

  • SHA1

    ecdc00f6cfd2e5d35cfb9b265d6b1898f8d9adf6

  • SHA256

    b0db251f62c0ef841992fb537ba60a0b6da64835ea86c6daaaad63ea830feb8d

  • SHA512

    ad834dfd134d16ef8762c070ff0c6e34d01a6aaa6b0dc825cfcabe85026e95675517fcdddc5e8a8d1fa5dd99577dfe50baef7e4849d1bbbbe71613450e1d1771

  • SSDEEP

    49152:qQT+RQyHelnwxzebw1aMDgn37ypG8psR+d/AQyua+7U1:7+RQoJxzebw1G3qf

Malware Config

Signatures

  • Detect Neshta payload 5 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-13_b10215d8341cb42b150b9fa5c5d35e3a_espilon-red_hijackloader_luca-stealer_neshta.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-13_b10215d8341cb42b150b9fa5c5d35e3a_espilon-red_hijackloader_luca-stealer_neshta.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-01-13_b10215d8341cb42b150b9fa5c5d35e3a_espilon-red_hijackloader_luca-stealer_neshta.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2025-01-13_b10215d8341cb42b150b9fa5c5d35e3a_espilon-red_hijackloader_luca-stealer_neshta.exe"
      2⤵
      • Executes dropped EXE
      PID:1848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-01-13_b10215d8341cb42b150b9fa5c5d35e3a_espilon-red_hijackloader_luca-stealer_neshta.exe

    Filesize

    3.0MB

    MD5

    216675d7f8c10ba3c3573af5f282826e

    SHA1

    4244b2837aafae054a527ac3ba256c55e2e6fea7

    SHA256

    bb7d5300455b9db1a57fe31a18f8134c5063c6c9e45286910ea6432821444ee2

    SHA512

    6c100a9cbba924e0685038d3e8ca7e032b11cf2ab0a44c979c4f0c8220f98c41d8c2b76eca4814bf7d8fa48bb60c6f1af8140b2a08f0b9b3811a70d48085a2e8

  • memory/1764-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1764-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1764-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1764-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB